openEuler 20.03 LTS SP1 update for opensc
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2021-42781 |
| CWE-ID | CWE-122 |
| Exploitation vector | Local |
| Public exploit | N/A |
| Vulnerable software Subscribe |
openEuler Operating systems & Components / Operating system opensc-help Operating systems & Components / Operating system package or component opensc-debugsource Operating systems & Components / Operating system package or component opensc-debuginfo Operating systems & Components / Operating system package or component opensc Operating systems & Components / Operating system package or component |
| Vendor | openEuler |
Security Bulletin
This security bulletin contains one low risk vulnerability.
1) Heap-based buffer overflow
EUVDB-ID: #VU66141
Risk: Low
CVSSv3.1: 1.8 [CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-42781
CWE-ID:
CWE-122 - Heap-based Buffer Overflow
Exploit availability: No
DescriptionThe vulnerability allows an attacker with physical access to perform denial of service attack.
The vulnerability exists due to a boundary error in Opensc before in pkcs15-oberthur.c. An attacker with physical access can pass specially crafted data to the application, trigger a heap-based buffer overflow and perform denial of service attack.
MitigationInstall updates from vendor's repository.
Vulnerable software versionsopenEuler: 20.03 LTS SP1
opensc-help: before 0.20.0-8
opensc-debugsource: before 0.20.0-8
opensc-debuginfo: before 0.20.0-8
opensc: before 0.20.0-8
External linkshttp://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2022-1640
Q & A
Can this vulnerability be exploited remotely?
No. The attacker should have physical access to the system in order to successfully exploit this vulnerability.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
